#headers{
    width: 100%;
    height: 50px;
    background-color:  #fafafa;;
    display: flex;
    flex-direction: row;
    justify-content: space-around;
}

#bt1,#bt2,#bt3,#bt4{
    width: 200px;
    height: 50px;
    background-color: #fafafa;;
    outline: none;
    border: none;
    color:black;
    font-size:16px;
}

#bt1:hover{
    background-color:#e2eaf5;
    color: #1890ff;
}
  
#bt2:hover{
    background-color:#e2eaf5;
    color: #1890ff;
}
  
#bt3:hover{
    background-color:#e2eaf5;
    color: #1890ff;
}